River Erme at Lower Piles
EA name: RSN1422 - RIVER ERME AT LOWER PILES
Environment Agency sampling point SW-RSN1422 · Freshwater - rivers · listed as open (“open” does not mean it is sampled now)
These are samples taken on a date, not live readings of the river. Results reach the Environment Agency's archive days to months after the sample is taken, so the newest here may be weeks or months old. FloodRadar does not grade them.
Where and when
- Last sampled
- 3 Dec 2025, 10:5010 months ago · time as the Environment Agency records it (UK clock time; the source gives no time zone). Not sampled since, as far as the archive shows: the Environment Agency was asked up to 8 Oct 2026 and had nothing newer.
- Samples banked
- 12 since 21 Jan 2025 Imported periods: 1 Oct 2023 – 8 Oct 2026. Samples outside them are not shown here.
- Latest sample
- River / running surface water Monitoring (national agency policy)
- Where
- National Grid 264108, 60460As published, to the nearest 1 m. Open in a map
- River, by its own name
- Its name does not give one
- River, by the map
- River ErmePlaced by position alone (the only river line close by), 0 m from the line.
- Next gauge downstream
- Harford On the River Erme · 0.8 km along the river
- Why it was sampled
- Monitoring (national agency policy) (12 samples)
Main measurements, river water
Dissolved oxygen
% saturation · code 9901 · %
100.3%
Sampled 3 Dec 2025, 10 months ago · 12 results banked
Every result (12)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Dec 2025, 10:50 | 100.3 | 100.3% |
| 19 Nov 2025, 09:21 | 101.1 | 101.1% |
| 29 Oct 2025, 11:12 | 99.9 | 99.9% |
| 4 Sep 2025, 15:03 | 100.4 | 100.4% |
| 4 Aug 2025, 09:43 | 98.9 | 98.9% |
| 17 Jul 2025, 10:46 | 91.7 | 91.7% |
| 11 Jun 2025, 11:00 | 96.1 | 96.1% |
| 23 May 2025, 10:30 | 95.5 | 95.5% |
| 30 Apr 2025, 12:31 | 97.3 | 97.3% |
| 12 Mar 2025, 10:58 | 100.2 | 100.2% |
| 20 Feb 2025, 10:05 | 100.6 | 100.6% |
| 21 Jan 2025, 09:59 | 105.1 | 105.1% |
Dissolved oxygen
as O2 · code 9924 · mg/l
12 mg/l
Sampled 3 Dec 2025, 10 months ago · 12 results banked
Every result (12)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Dec 2025, 10:50 | 12 | 12 mg/l |
| 19 Nov 2025, 09:21 | 12.1 | 12.1 mg/l |
| 29 Oct 2025, 11:12 | 11.1 | 11.1 mg/l |
| 4 Sep 2025, 15:03 | 10 | 10 mg/l |
| 4 Aug 2025, 09:43 | 9.65 | 9.65 mg/l |
| 17 Jul 2025, 10:46 | 8.89 | 8.89 mg/l |
| 11 Jun 2025, 11:00 | 9.79 | 9.79 mg/l |
| 23 May 2025, 10:30 | 10.1 | 10.1 mg/l |
| 30 Apr 2025, 12:31 | 10.1 | 10.1 mg/l |
| 12 Mar 2025, 10:58 | 12.2 | 12.2 mg/l |
| 20 Feb 2025, 10:05 | 11.7 | 11.7 mg/l |
| 21 Jan 2025, 09:59 | 12.9 | 12.9 mg/l |
Water temperature
code 0076 · °C
7.6 °C
Sampled 3 Dec 2025, 10 months ago · 12 results banked
Every result (12)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Dec 2025, 10:50 | 7.6 | 7.6 °C |
| 19 Nov 2025, 09:21 | 7.6 | 7.6 °C |
| 29 Oct 2025, 11:12 | 10.7 | 10.7 °C |
| 4 Sep 2025, 15:03 | 15.3 | 15.3 °C |
| 4 Aug 2025, 09:43 | 16.4 | 16.4 °C |
| 17 Jul 2025, 10:46 | 16.7 | 16.7 °C |
| 11 Jun 2025, 11:00 | 14.4 | 14.4 °C |
| 23 May 2025, 10:30 | 12.6 | 12.6 °C |
| 30 Apr 2025, 12:31 | 13.6 | 13.6 °C |
| 12 Mar 2025, 10:58 | 6.9 | 6.9 °C |
| 20 Feb 2025, 10:05 | 8.7 | 8.7 °C |
| 21 Jan 2025, 09:59 | 6.5 | 6.5 °C |
pH
code 0061
5.56
Sampled 3 Dec 2025, 10 months ago · 12 results banked
Every result (12)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Dec 2025, 10:50 | 5.56 | 5.56 |
| 19 Nov 2025, 09:21 | 6.31 | 6.31 |
| 29 Oct 2025, 11:12 | 5.7 | 5.7 |
| 4 Sep 2025, 15:03 | 4.63 | 4.63 |
| 4 Aug 2025, 09:43 | 7.71 | 7.71 |
| 17 Jul 2025, 10:46 | 7.18 | 7.18 |
| 11 Jun 2025, 11:00 | 6.02 | 6.02 |
| 23 May 2025, 10:30 | 7.16 | 7.16 |
| 30 Apr 2025, 12:31 | 5.88 | 5.88 |
| 12 Mar 2025, 10:58 | 5.94 | 5.94 |
| 20 Feb 2025, 10:05 | 4.84 | 4.84 |
| 21 Jan 2025, 09:59 | 6.45 | 6.45 |
Ammonia
ammoniacal nitrogen as N · code 0111 · mg/l
below 0.002 mg/l (not detected above this)
Sampled 3 Dec 2025, 10 months ago · 12 results banked
Every result (12)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Dec 2025, 10:50 | <0.002 | below 0.002 mg/l (not detected above this) |
| 19 Nov 2025, 09:21 | <0.002 | below 0.002 mg/l (not detected above this) |
| 29 Oct 2025, 11:12 | <0.002 | below 0.002 mg/l (not detected above this) |
| 4 Sep 2025, 15:03 | 0.0044 | 0.0044 mg/l |
| 4 Aug 2025, 09:43 | 0.002 | 0.002 mg/l |
| 17 Jul 2025, 10:46 | 0.0022 | 0.0022 mg/l |
| 11 Jun 2025, 11:00 | <0.002 | below 0.002 mg/l (not detected above this) |
| 23 May 2025, 10:30 | <0.002 | below 0.002 mg/l (not detected above this) |
| 30 Apr 2025, 12:31 | <0.002 | below 0.002 mg/l (not detected above this) |
| 12 Mar 2025, 10:58 | 0.004 | 0.004 mg/l |
| 20 Feb 2025, 10:05 | 0.0024 | 0.0024 mg/l |
| 21 Jan 2025, 09:59 | 0.002 | 0.002 mg/l |
Nitrate
as nitrogen (N) · code 0117 · mg/l
0.129 mg/l
Sampled 3 Dec 2025, 10 months ago · 12 results banked
Every result (12)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Dec 2025, 10:50 | 0.129 | 0.129 mg/l |
| 19 Nov 2025, 09:21 | 0.149 | 0.149 mg/l |
| 29 Oct 2025, 11:12 | 0.045 | 0.045 mg/l |
| 4 Sep 2025, 15:03 | 0.026 | 0.026 mg/l |
| 4 Aug 2025, 09:43 | 0.026 | 0.026 mg/l |
| 17 Jul 2025, 10:46 | 0.031 | 0.031 mg/l |
| 11 Jun 2025, 11:00 | 0.0072 | 0.0072 mg/l |
| 23 May 2025, 10:30 | 0.02 | 0.02 mg/l |
| 30 Apr 2025, 12:31 | 0.034 | 0.034 mg/l |
| 12 Mar 2025, 10:58 | 0.078 | 0.078 mg/l |
| 20 Feb 2025, 10:05 | 0.09 | 0.09 mg/l |
| 21 Jan 2025, 09:59 | 0.119 | 0.119 mg/l |
Phosphate
orthophosphate, reactive, as P · code 0180 · mg/l
0.0015 mg/l
Sampled 3 Dec 2025, 10 months ago · 12 results banked
Every result (12)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Dec 2025, 10:50 | 0.0015 | 0.0015 mg/l |
| 19 Nov 2025, 09:21 | 0.0018 | 0.0018 mg/l |
| 29 Oct 2025, 11:12 | 0.0015 | 0.0015 mg/l |
| 4 Sep 2025, 15:03 | 0.0076 | 0.0076 mg/l |
| 4 Aug 2025, 09:43 | 0.0016 | 0.0016 mg/l |
| 17 Jul 2025, 10:46 | <0.001 | below 0.001 mg/l (not detected above this) |
| 11 Jun 2025, 11:00 | 0.0015 | 0.0015 mg/l |
| 23 May 2025, 10:30 | <0.001 | below 0.001 mg/l (not detected above this) |
| 30 Apr 2025, 12:31 | 0.0011 | 0.0011 mg/l |
| 12 Mar 2025, 10:58 | 0.0015 | 0.0015 mg/l |
| 20 Feb 2025, 10:05 | 0.0026 | 0.0026 mg/l |
| 21 Jan 2025, 09:59 | 0.0021 | 0.0021 mg/l |
Conductivity
at 25 °C · code 0077 · µS/cm
34 µS/cm
Sampled 3 Dec 2025, 10 months ago · 12 results banked
Every result (12)
| Sampled | Result as published | Reads as |
|---|---|---|
| 3 Dec 2025, 10:50 | 34 | 34 µS/cm |
| 19 Nov 2025, 09:21 | 40 | 40 µS/cm |
| 29 Oct 2025, 11:12 | 40 | 40 µS/cm |
| 4 Sep 2025, 15:03 | 40 | 40 µS/cm |
| 4 Aug 2025, 09:43 | 44 | 44 µS/cm |
| 17 Jul 2025, 10:46 | 43 | 43 µS/cm |
| 11 Jun 2025, 11:00 | 35 | 35 µS/cm |
| 23 May 2025, 10:30 | 47 | 47 µS/cm |
| 30 Apr 2025, 12:31 | 40 | 40 µS/cm |
| 12 Mar 2025, 10:58 | 43 | 43 µS/cm |
| 20 Feb 2025, 10:05 | 41 | 41 µS/cm |
| 21 Jan 2025, 09:59 | 40 | 40 µS/cm |
Everything measured here
17 determinands, each kept by its code, unit and sample material: results in different units or on different materials are never mixed. A “below” result is under the laboratory's detection limit, not zero.
Show all 17 rows
| Determinand | Material | Results | First – last | Latest result |
|---|---|---|---|---|
| Oxygen, Dissolved, % Saturation 9901 | River water | 12 | Jan 2025 – Dec 2025 | 100.3% 3 Dec 2025 |
| Oxygen, Dissolved as O2 9924 | River water | 12 | Jan 2025 – Dec 2025 | 12 mg/l 3 Dec 2025 |
| Temperature of Water 0076 | River water | 12 | Jan 2025 – Dec 2025 | 7.6 °C 3 Dec 2025 |
| pH 0061 | River water | 12 | Jan 2025 – Dec 2025 | 5.56 3 Dec 2025 |
| Ammoniacal Nitrogen as N 0111 | River water | 12 | Jan 2025 – Dec 2025 | below 0.002 mg/l 3 Dec 2025 |
| Nitrate as N 0117 | River water | 12 | Jan 2025 – Dec 2025 | 0.129 mg/l 3 Dec 2025 |
| Orthophosphate, reactive as P 0180 | River water | 12 | Jan 2025 – Dec 2025 | 0.0015 mg/l 3 Dec 2025 |
| Conductivity at 25 C 0077 | River water | 12 | Jan 2025 – Dec 2025 | 34 µS/cm 3 Dec 2025 |
| Alkalinity to pH 4.5 : Grans Plot 7610 | River water | 12 | Jan 2025 – Dec 2025 | 0.87 mg/l 3 Dec 2025 |
| Ammonia un-ionised as N 0119 | River water | 12 | Jan 2025 – Dec 2025 | below 0.00001 mg/l 3 Dec 2025 |
| Carbon, Organic, Dissolved as C :- {DOC} 0301 | River water | 11 | Jan 2025 – Dec 2025 | 4 mg/l 3 Dec 2025 |
| Flow Type 2896 | River water | 11 | Jan 2025 – Dec 2025 | High Flow 3 Dec 2025 |
| Nitrite as N 0118 | River water | 12 | Jan 2025 – Dec 2025 | below 0.001 mg/l 3 Dec 2025 |
| Nitrogen, Total Oxidised as N 0116 | River water | 12 | Jan 2025 – Dec 2025 | 0.13 mg/l 3 Dec 2025 |
| Phosphorus, Total as P 0348 | River water | 12 | Jan 2025 – Dec 2025 | below 0.01 mg/l 3 Dec 2025 |
| Silica, reactive as SiO2 0182 | River water | 12 | Jan 2025 – Dec 2025 | 3.4 mg/l 3 Dec 2025 |
| Solids, Suspended at 105 C 0135 | River water | 1 | Dec 2025 – Dec 2025 | below 3 mg/l 3 Dec 2025 |
FloodRadar does not grade these results: there is no overall score, and official river classifications are a separate dataset. A sample taken downstream of an overflow does not by itself show where anything in it came from. River connections and distances are traced on OS Open Rivers (edition 2026-04), which leaves out many small channels.
Water samples: Environment Agency Water Quality Archive, © Environment Agency and/or database right 2026, Open Government Licence v3.0.
Contains OS data © Crown copyright and database rights 2026.